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Further fine-tune the various EPSILON values based on edge-case tests.

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This commit is contained in:
Jürg Lehni 2015-10-21 01:42:26 +02:00
parent 5d6b761d3a
commit 8c3d9df06c
1 changed files with 4 additions and 4 deletions
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8
src/util/Numerical.js
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@ -96,16 +96,16 @@ var Numerical = new function() {
MACHINE_EPSILON: MACHINE_EPSILON,
/**
* The epsilon to be used when handling curve-time parameters. This
* cannot be smaller, because errors add up to about 1e-7 in the bezier
* cannot be smaller, because errors add up to around 8e-7 in the bezier
* fat-line clipping code as a result of recursive sub-division.
*/
CURVETIME_EPSILON: 1e-6,
CURVETIME_EPSILON: 8e-7,
/**
* The epsilon to be used when performing "geometric" checks, such as
* point distances and examining cross products to check for
* collinearity.
*/
GEOMETRIC_EPSILON: 5e-7, // NOTE: 1e-7 doesn't work in some edge-cases!
GEOMETRIC_EPSILON: 4e-7, // NOTE: 1e-7 doesn't work in some edge-cases!
/**
* The epsilon to be used when performing winding contribution checks.
*/
@ -114,7 +114,7 @@ var Numerical = new function() {
* The epsilon to be used when performing "trigonometric" checks, such
* as examining cross products to check for collinearity.
*/
TRIGONOMETRIC_EPSILON: 1e-8,
TRIGONOMETRIC_EPSILON: 1e-7,
// Kappa, see: http://www.whizkidtech.redprince.net/bezier/circle/kappa/
KAPPA: 4 * (sqrt(2) - 1) / 3,